Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow
Published Apr 16, 2003
10.0
HIGHCVSS 2.0
EPSS 38.63%
Description
Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.
Affected products
No data.
- 2.0_beta_4
- 1.8
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
- 1.8.5
- 1.8.6
- 1.8.7
- 1.9
- 1.9.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 38.63% (0.38625) | 98.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 38.03% (0.38030) | 98.36th | v5 (v2026.06.15) |
| Sep 16, 2025 | 57.43% (0.57434) | 98.09th | v4 (v2025.03.14) |
| Mar 30, 2025 | 64.41% (0.64409) | 98.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 45.97% (0.45972) | 96.50th | v4 (v2025.03.14) |
| Mar 19, 2025 | 64.41% (0.64409) | 98.26th | v4 (v2025.03.14) |
| Mar 17, 2025 | 69.52% (0.69515) | 98.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 14.27% (0.14265) | 95.92th | v3 (v2023.03.01) |
| Aug 24, 2024 | 14.27% (0.14265) | 95.81th | v3 (v2023.03.01) |
| Feb 12, 2024 | 16.77% (0.16773) | 95.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 17.36% (0.17356) | 95.92th | v3 (v2023.03.01) |
| Sep 25, 2023 | 12.10% (0.12097) | 94.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.92% (0.10924) | 94.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 40.59% (0.40588) | 98.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 40.59% (0.40588) | 97.48th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://marc.info/?l=bugtraq&m=105043563016235&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=105103586927007&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=105111217731583&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=105154530427824&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=105172790914107&w=2 vendor-advisoryx_refsource_ENGARDE
- http://www.cert.org/advisories/CA-2003-13.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.coresecurity.com/common/showdoc.php?idx=313&idxseccion=10 x_refsource_MISC
- http://www.debian.org/security/2003/dsa-297 vendor-advisoryx_refsource_DEBIAN
- http://www.kb.cert.org/vuls/id/139129 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:052 vendor-advisoryx_refsource_MANDRAKE
- http://www.securityfocus.com/bid/7178 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
Change history (0)
No recorded changes yet.